Comparison

Interval Timer □ HIIT Timer vs RepsX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interval Timer □ HIIT Timer

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

Highlights
  • Customizable intervals
  • Workout and rest timers
  • Voice or beep guides
  • Background audio support
  • Workout history and statistics
  • Repeat previous workouts
Features
Read full description

A simple and beautiful interval timer. 1. Drag to set your custom intervals for workout, rest, rounds, etc 2. Tap to start. Interval Timer doesn't interfere with your music or other apps: ∙ Listen to your music apps while you workout. ∙ Voice or beep guides for every workout. ∙ You can leave the app and still listen to the audio guides, in order to follow a workout you found online. And no need to manually record your workouts: ∙ Detailed history and statistics pages to track your progress. ∙ Repeat a previous workout from your history, so you don't need to set it again. If you have any ideas for how to improve the app, just tap "Contact Support' inside the app and let us know! We are always trying to improve Interval Timer This app includes an optional auto-renewable subscription (Premium Pass): Premium Pass beings with a free trial period, then an auto-renewable monthly subscription when trial ends. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hrs before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Privacy Policy: https://float.support/interval-timer/privacy Terms of Use: https://float.support/interval-timer/terms

About

RepsX

Features
Read full description

REPS X is a focused 30-day calisthenics program that builds real, functional strength — bodyweight training built around your starting strength. GUIDED WORKOUTS • Auto-paced rep counting and rest timers walk you through every set • Push, pull, leg, and core days structured across a 30-day cycle • Personalized to your starting numbers — your "X" for push-ups and pull-ups TRACK EVERYTHING • Streaks, achievements, charts, and your full workout history • Progress syncs automatically across your devices, so you pick up where you left off APPLE WATCH • Run workouts from your wrist with an always-on rest timer and haptic cues • Count reps and log sets without touching your phone CALORIES WITH PREMIUM Log meals, set quantities and reuse favourites. Optional food photos provide calorie estimates you can review and edit. Track daily nutrition targets alongside workouts. Food photo scans require sign-in. Free to download. Days 1-7 and basic features are free. Premium unlocks days 8-30, the Calories tab and unlimited custom timers. SUBSCRIPTION TERMS RepsX Premium is an auto-renewable subscription, available as RepsX Premium Monthly (1 month) or RepsX Premium Annual (1 year). Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours before the period ends. Manage or cancel your subscription in your App Store account settings. Privacy Policy: https://repx-workout.netlify.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://repx-workout.netlify.app/support

Screenshots

Interval Timer □ HIIT Timer4 screens
RepsX4 screens

Verdict

The call

The clearest difference is update cadence: RepsX at every 3 days against Interval Timer □ HIIT Timer's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month and RepsX sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer □ HIIT Timer ships an update every 5 weeks, RepsX every 3 days. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 9 level
Interval Timer □ HIIT Timer versus RepsX: the parameters behind the verdict, then further details
ParameterInterval Timer □ HIIT TimerRepsX
PriceFreeFree
Rating4.8 (86K ratings) — better—
Positive reviews60.7% of reviews—
Number of ratings86K — better—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.615.0 — better
Further details — not scored
Size34 MB34 MB
Age rating4+4+
DeveloperFloat Tech, LLCSyed Salim

Bugs and requests

Interval Timer □ HIIT Timer

Reported bugs

3 issues
  • Timer not always accurate
  • Favorites/saved workouts feature not working
  • Inconsistent behavior when pausing/resuming

Requested features

3 requests
  • Ability to save and name custom workouts
  • More flexibility in exercise/rest time settings
  • Option to adjust volume of voice prompts

RepsX

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Interval Timer □ HIIT Timer

Subscriptions2
  • Premium Pass7 Days trial$1.991 Month
  • Premium Pass7 Days trial$2.991 Month
One-time3
  • Lifetime Pass$14.99
  • Lifetime Pass$19.99
  • Premium Forever Promo$29.99
2 purchases

RepsX

Subscriptions2
  • RepsX Premium Monthly$4.991 Month
  • RepsX Premium Annual$29.991 Year

Questions

Is Interval Timer □ HIIT Timer free?
Interval Timer □ HIIT Timer is free to download, with in-app purchases available.
Is RepsX free?
RepsX is free to download, with in-app purchases available.
Do Interval Timer □ HIIT Timer or RepsX have ads?
Neither Interval Timer □ HIIT Timer nor RepsX shows ads.
Which is updated more often, Interval Timer □ HIIT Timer or RepsX?
Interval Timer □ HIIT Timer ships an update every 5 weeks, and RepsX every 3 days. Most recently, Interval Timer □ HIIT Timer was updated on October 17, 2026 and RepsX on October 3, 2026.

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